Nasa has started accepting applications for four people to live for a year in Mars Dune Alpha i.e. a 1,700-square-foot Martian habitat, created by a 3D-printer, and inside a building at Johnson Space Centre in Houston. The paid volunteers will work a simulated Martian exploration mission complete with spacewalks, limited communications back home, restricted food and resources and equipment failures. Applicants have to be between 30 and 55, in good physical health with no dietary issues and not prone to motion sickness. if given a chance, can you live on mar?